Roll Flutter Engine from 738042295f97 to 3c036c081534 (2 revisions) (#144073)

https://github.com/flutter/engine/compare/738042295f97...3c036c081534

2024-02-24 737941+loic-sharma@users.noreply.github.com [Windows] Refactor the a11y announcement test (flutter/engine#50888)
2024-02-23 dnfield@google.com Avoiding using separate FlutterLoaders in scenario_app (flutter/engine#50927)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/flutter-engine-flutter-autoroll
Please CC jimgraham@google.com,rmistry@google.com,zra@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in Flutter: https://github.com/flutter/flutter/issues/new/choose

To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

bin/internal/engine.version

-738042295f97aeba8c77d2158a766444fd18effe
+3c036c081534ec04f65cf30459557730e8c1b9e6